Renaissance Technologies, the quant hedge fund founded by mathematician Jim Simons, has filed its Q2 2026 13F with the SEC.
Renaissance Technologies, the quant hedge fund founded by mathematician Jim Simons, has filed its Q2 2026 13F with the SEC. The filing offers a fresh look at how one of the most closely watched funds in the world is positioning its $72.6 billion portfolio, spread across 3,140 individual positions.
The headline takeaway is a clear rotation. Renaissance added heavily to mega-cap AI names and cybersecurity, while trimming exposure to memory chips, industrials, and data center infrastructure plays. Total buying and selling activity across the top moves alone came to roughly $6.5 billion.
Top Buys: Doubling Down on AI
Renaissance's largest purchase of the quarter was Meta ($META), where the fund added approximately $995 million in stock, its biggest single buy for the period.
Nvidia ($NVDA) came in close behind, with Renaissance adding roughly $978 million, extending its bet on the chipmaker at the center of the AI infrastructure buildout.
The fund also picked up about $696 million in Intel ($INTC), a notable move given the stock's recent volatility, suggesting a bet on the chipmaker's turnaround story.
Alphabet ($GOOG) saw an addition of around $672 million, reflecting how Google's AI push is increasingly winning over institutional capital.
CrowdStrike ($CRWD) rounded out the cybersecurity angle, with Renaissance buying about $572 million more in the stock, bringing the sector back into its top buys this quarter.
Amazon ($AMZN) closed out the list of major buys, with roughly $546 million added, completing what looks like a broad, coordinated push into mega-cap AI exposure.
Top Sells: Cutting Memory Chips and Industrials
On the other side of the ledger, Renaissance's biggest cut was SanDisk ($SNDK), where the fund sold about $497 million worth of shares, its largest sale of the quarter.
Micron ($MU) was also trimmed, down roughly $487 million, continuing the theme of reduced exposure to memory chip makers.
Apple ($AAPL) saw a sale of about $322 million, a relatively modest cut compared to its buy-side counterparts but notable given Apple's usual weight in institutional portfolios.
Linde ($LIN) was cut by around $310 million, marking a pullback from industrial gas exposure.
Vertiv ($VRT) dropped by about $232 million, signaling a retreat from data center infrastructure plays even as AI spending remains elevated elsewhere in the portfolio.
Nu Holdings ($NU) rounded out the sells, trimmed by roughly $196 million, showing that even a fintech favorite wasn't spared from the reshuffling.
What This Signals
Taken together, the filing paints a picture of a fund concentrating its AI conviction in the biggest, most established names (Meta, Nvidia, Alphabet, Amazon) plus a security layer (CrowdStrike) and a turnaround bet (Intel), while stepping back from the more cyclical, hardware-adjacent parts of the AI trade, like memory chips and data center infrastructure.
It's a reminder that even within a single theme like AI, hedge funds are making increasingly specific bets about where the durable value sits, and where the risk of a pullback is higher.
Renaissance just showed its whole hand for the quarter. Thousands of investors now track filings like this automatically through platforms like Autopilot, turning a quarterly disclosure into a real-time signal.
Source: Renaissance Technologies Q2 2026 13F filing
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